Company lists · Data refreshed September 2026

Top 25 AI research staffing companies worldwide

Name: AI research staffing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 18,868 companies tracked

RevenueBase identified 18,868 company matches for AI research staffing companies worldwide as of September 2026 and tracks 459,198 professional contacts across them, including 64,344 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for AI research staffing companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026. Country and city lists for AI research staffing companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built

18,868Companies

459,198Contacts tracked

64,344Verified emails

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The 25 largest AI research staffing companies worldwide

Ranked by team size

Top 25 of 18,868 company matches for AI research staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	KELLY	Exact match	Troy, MI, United StatesHQ recorded Sep 27, 2026	10001+	30,378 contacts →
	Exact match “We’ve been helping organizations find the people they need longer than any other company in the world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Quess Corp Limited	Exact match	Bangalore, IndiaHQ recorded Sep 27, 2026	10001+	19,876 contacts →
	Exact match “Established in Bengaluru in 2007, Quess Corp Limited (BSE: 539978, NSE: QUESS) is India’s largest and a global leader in staffing and workforce solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Insight Global	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	n/a	15,553 contacts →
	Exact match “Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Turing	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	6,094 contacts →
	Exact match “Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	10001+	4,263 contacts →
	Exact match “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Select Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	10001+	3,934 contacts →
	Exact match “Select Staffing is a leading provider of temporary staffing and employment services in the U.S, with nationwide operations across multiple contingent staffing sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Artech L.L.C	Exact match	Morristown, NJ, United StatesHQ recorded Sep 27, 2026	5,001-10,000	3,674 contacts →
	Exact match “Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Beacon Hill	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	3,238 contacts →
	Exact match “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	24 Seven Talent	Exact match	NY, United StatesHQ recorded Sep 27, 2026	n/a	2,554 contacts →
	Exact match “24 Seven partners with companies to get marketing, creative, and digital work done by providing the right talent, innovation, and insights.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Airswift	Exact match	Houston, TX, United StatesHQ recorded Sep 27, 2026	501-1,000	2,128 contacts →
	Exact match “We support STEM professionals looking for jobs with exceptional firms in the technology and engineering sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Mindlance	Exact match	Union, NJ, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,096 contacts →
	Exact match “Mindlance is a global Talent, Teams, Projects, and Workforce Solutions partner, serving leading enterprises across industries since With a strong footprint across multiple…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Rose International	Exact match	Chesterfield, MO, United StatesHQ recorded Sep 27, 2026	5,001-10,000	2,061 contacts →
	Exact match “Rose International is a leading provider of Staffing and Total Talent Solutions to corporations and government agencies, employing thousands of people across the U.S, Canada and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	NLB Services	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,958 contacts →
	Exact match “Founded in 2007, NLB Services is a global AI-led technology and business transformation organization that helps enterprises accelerate growth, enhance operational resilience, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Remedy Intelligent Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	10001+	1,948 contacts →
	Exact match “Remedy Intelligent Staffing is a nationwide professional staffing organization with more than 50 years of recruiting and selection expertise to match job candidates with positions…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Avance Consulting	Exact match	London, United KingdomHQ recorded Sep 27, 2026	501-1,000	1,927 contacts →
	Exact match “Avance Consulting is a global organization focused on delivering innovative talent solution services to some of the most renowned companies in the world, across industries that…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Spectraforce	Exact match	Raleigh, NC, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,845 contacts →
	Exact match “Founded in 2004, SPECTRAFORCE® is a global staffing and workforce solutions company that helps organizations build high-performing teams across healthcare, technology, financial…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Addison Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,840 contacts →
	Exact match “Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Non-Clinical Healthcare, Information Technology (IT), Human…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Magna Infotech	Exact match	Bangalore, IndiaHQ recorded Sep 27, 2026	10001+	1,702 contacts →
	Exact match “We are the largest IT staff augmentation provider in India, with employees spread across 500+ skill sets.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Global Empregos Ltda	Exact match	Santo André, BrazilHQ recorded Sep 27, 2026	n/a	1,695 contacts →
	Exact match “Durante os anos 80, o mundo testemunhou o surgimento de uma nova ordem.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	E-Solutions	Exact match	San Jose, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,669 contacts →
	Exact match “Empowering Technology Services” Founded in 2003, we are in our 22th year of structured growth.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Elite Staffing INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 2026	10001+	1,661 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Sep 27, 2026	501-1,000	1,599 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Infotree Global Solutions	Exact match	Plymouth, MI, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,545 contacts →
	Exact match “Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Bcforward	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 27, 2026	5,001-10,000	1,448 contacts →
	Exact match “BCforward is a global talent and technology solutions partner helping organizations accelerate outcomes through people, platforms, and expertise.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	SELF	Exact match	Houston, TX, United StatesHQ recorded Sep 27, 2026	n/a	1,431 contacts →
	Exact match “We are a Full Service Solutions Company specializing in placements of professionals in Information Technology, Finance/Accounting, Energy (front, mid and back office)…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “AI research staffing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 18,868 AI research staffing companies worldwide

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AI research staffing companies worldwide at a glance

As of Sep 27, 2026

14.0%Verified-email coverage

24.3Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

8,172

11-50

6,263

51-200

2,879

201-500

870

501-1,000

311

1,001-5,000

228

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for AI research staffing companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “AI research staffing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 64,344 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

AI research staffing companies by location

93 lists · largest first

Every AI research staffing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “AI research staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI research staffing companies are there worldwide?

RevenueBase identified 18,868 company matches for AI research staffing companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

KELLY tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most AI research staffing companies?

The United States leads with 7,646 companies, followed by India (3,306) and the United Kingdom (1,074). Every AI research staffing companies list by country and city is linked on this page.

Which city has the most AI research staffing companies?

London leads with 470 company records, followed by Hyderabad (343) and New York (319).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 64,344 professional contacts with verified work emails tracked across these 18,868 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.